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# Camera.OnZoomChangeListener

`public static interface Camera.OnZoomChangeListener`
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android.hardware.Camera.OnZoomChangeListener

This interface is deprecated.
We recommend using the new `android.hardware.camera2` API for new applications.

Callback interface for zoom changes during a smooth zoom operation.

See also:

- `Camera.setZoomChangeListener(OnZoomChangeListener)`
- `Camera.startSmoothZoom(int)`

## Summary

### Public methods
`abstract void` | `onZoomChange(int zoomValue, boolean stopped, Camera camera)` Called when the zoom value has changed during a smooth zoom.

## Public methods

### onZoomChange

    public abstract void onZoomChange (int zoomValue,
                    boolean stopped,
                    Camera camera)

Called when the zoom value has changed during a smooth zoom.

Parameters
`zoomValue` | `int`: the current zoom value. In smooth zoom mode, camera calls this for every new zoom value.
`stopped` | `boolean`: whether smooth zoom is stopped. If the value is true, this is the last zoom update for the application.
`camera` | `Camera`: the Camera service object

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